{
 "meta": {
  "dataset": "Subscriber history — @elibrary_math",
  "channel": "https://tgregister.com/channel/elibrary_math",
  "retrieved_at": "2026-09-11T17:39:50.396Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T13:07:04.733Z",
   "to": "2026-09-10T03:20:46.418Z"
  },
  "columns": {
   "ts": "when this reading was taken, UTC",
   "subscribers": "the count read (or, for source 3, carried over) — see source below",
   "source": {
    "0": "sweep.py — t.me/<name> profile page",
    "1": "promote.py — Bot API getChat",
    "2": "resolve.py — MTProto",
    "3": "spromote.py — t.me/s/<name> post preview (figure carried over from an earlier profile read, not the preview’s own rounded header)",
    "4": "remeasure.py — t.me/<name> profile page, re-read on a schedule"
   }
  },
  "note": "Snapshots are written only when a reading changes: a gap in ts means \"no change observed between readings\", never \"not measured\" and never \"interpolated\". Readings from different sources are separate lineages that do not confirm one another — subtracting across them can attribute a change to a period nothing was actually read in. Full method: https://tgregister.com/methodology#measuring"
 },
 "rows": [
  {
   "ts": "2026-08-07T13:07:04.733Z",
   "subscribers": 30076,
   "source": 0
  },
  {
   "ts": "2026-08-08T02:52:01.738Z",
   "subscribers": 30070,
   "source": 4
  },
  {
   "ts": "2026-08-09T04:11:28.171Z",
   "subscribers": 30068,
   "source": 4
  },
  {
   "ts": "2026-08-10T02:11:40.233Z",
   "subscribers": 30055,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:32:25.337Z",
   "subscribers": 30052,
   "source": 4
  },
  {
   "ts": "2026-08-12T02:12:23.557Z",
   "subscribers": 30006,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:18:44.144Z",
   "subscribers": 29972,
   "source": 4
  },
  {
   "ts": "2026-08-14T03:17:07.685Z",
   "subscribers": 29972,
   "source": 1
  },
  {
   "ts": "2026-08-14T16:46:34.370Z",
   "subscribers": 29951,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:35:30.501Z",
   "subscribers": 29938,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:08:51.070Z",
   "subscribers": 29916,
   "source": 4
  },
  {
   "ts": "2026-08-18T12:35:13.267Z",
   "subscribers": 29900,
   "source": 4
  },
  {
   "ts": "2026-08-19T12:58:06.795Z",
   "subscribers": 29896,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:03:19.956Z",
   "subscribers": 29920,
   "source": 4
  },
  {
   "ts": "2026-08-21T19:18:14.210Z",
   "subscribers": 29924,
   "source": 4
  },
  {
   "ts": "2026-08-23T06:03:41.807Z",
   "subscribers": 29915,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:35:12.388Z",
   "subscribers": 29897,
   "source": 4
  },
  {
   "ts": "2026-08-25T19:44:57.083Z",
   "subscribers": 29888,
   "source": 4
  },
  {
   "ts": "2026-08-26T22:08:32.714Z",
   "subscribers": 29803,
   "source": 4
  },
  {
   "ts": "2026-08-27T19:18:25.852Z",
   "subscribers": 29755,
   "source": 4
  },
  {
   "ts": "2026-08-28T22:26:04.354Z",
   "subscribers": 29745,
   "source": 4
  },
  {
   "ts": "2026-08-29T19:56:31.494Z",
   "subscribers": 29724,
   "source": 4
  },
  {
   "ts": "2026-08-30T17:14:17.340Z",
   "subscribers": 29718,
   "source": 4
  },
  {
   "ts": "2026-08-31T15:24:53.872Z",
   "subscribers": 29704,
   "source": 4
  },
  {
   "ts": "2026-09-01T17:48:53.328Z",
   "subscribers": 29658,
   "source": 4
  },
  {
   "ts": "2026-09-02T21:33:24.423Z",
   "subscribers": 29636,
   "source": 4
  },
  {
   "ts": "2026-09-04T08:39:35.035Z",
   "subscribers": 29607,
   "source": 4
  },
  {
   "ts": "2026-09-06T19:18:28.169Z",
   "subscribers": 29575,
   "source": 4
  },
  {
   "ts": "2026-09-10T03:20:46.418Z",
   "subscribers": 29507,
   "source": 4
  }
 ]
}